Games like Geist
Games like Geist include Ready or Not, Counter-Strike 2, Call of Duty®, Trepang2, and DOOM. We matched them by the tags players give Geist on Steam (Action, Shooter, FPS, Stylized, and Horror): closest matches first, and among equally close ones the better-known games.

Ready or Not
Shared: FPS · Shooter · Horror

Counter-Strike 2
Shared: Shooter · FPS · Action

Call of Duty®
Shared: FPS · Shooter · Action

Trepang2
Shared: Shooter · FPS · Action

DOOM
Shared: Action · FPS · Shooter

Left 4 Dead 2
Shared: FPS · Shooter · Action

Black Mesa
Shared: Action · FPS · Shooter

Half-Life 2
Shared: Action · FPS · Shooter

KovaaK's
Shared: Action · Shooter · FPS

BioShock Infinite
Shared: Action · Shooter · FPS

Half-Life: Alyx
Shared: FPS · Shooter · Horror

METRO 2033 Redux
Shared: FPS · Action · Horror

METRO Last Light Redux
Shared: FPS · Action · Horror

Battlefield™ 2042
Shared: FPS · Shooter · Action

Battlefield™ 6
Shared: FPS · Shooter · Action

Metro Exodus
Shared: FPS · Action · Singleplayer

Bright Memory: Infinite
Shared: Action · FPS · Shooter

Titanfall® 2
Shared: FPS · Shooter · Action

SUPERHOT
Shared: Action · FPS · Shooter

Ravenfield
Shared: FPS · Shooter · Action

F.E.A.R.
Shared: Action · FPS · Horror

Blood and Bacon
Shared: Shooter · Action · FPS

Battlefield™ 1
Shared: FPS · Shooter · Action

BioShock™
Shared: FPS · Action · Horror